Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Tamoxifen, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Tamoxifen impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Tamoxifen-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.
Our Tamoxifen-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.
Tamoxifen Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (E)-3-Hydroxy Tamoxifen-d5 | Stable Isotopes | CS-T-96800 | 1185245-32-2 | Enquire |
| (E)-4-Hydroxy Tamoxifen-d5 (Contains up to 10% Z isomer) | Stable Isotopes | CS-T-96799 | Not Available | Enquire |
| (E)-Tamoxifen-13C2, 15N | Stable Isotopes | CS-T-99824 | Not Available | Enquire |
| (E/Z)-4,4'-Dihydroxy-N-desmethyl Tamoxifen-d3 | Stable Isotopes | CS-T-53203 | 1246832-93-8 | Enquire |
| (E/Z)-N,N-Didesmethyl-4-hydroxy Tamoxifen-d5 | Stable Isotopes | CS-T-100470 | Not Available | Enquire |
| (Z)-4-Hydroxy Tamoxifen-d5 | Stable Isotopes | CS-T-28766 | 164365-20-2 | Enquire |
| 4’-Hydroxy Tamoxifen-d6 (contains up to 10% E isomer) | Stable Isotopes | CS-T-101254 | 1346606-80-1 | Enquire |
| N-Demethyl-3-methoxy-4-hydroxytamoxifen-d3 Hydrochloride (Z... | Stable Isotopes | CS-T-99015 | Not Available | Enquire |
| N-Desmethyl N-Nitroso Tamoxifen-d3 | Stable Isotopes | CS-O-44821 | Not Available | In Stock |
| N-Desmethyl Tamoxifen-d5 | Stable Isotopes | CS-ZH-09835 | 164365-16-6 | Enquire |
| N-Desmethyl-4-hydroxy Tamoxifen-d5 (1:1 E/Z Mixture) | Stable Isotopes | CS-T-88732 | 1584173-54-5 | Enquire |
| N-Desmethyl-4-hydroxy Tamoxifen-d5 Tri-O-acetyl-?-D-glucuron... | Stable Isotopes | CS-T-98476 | Not Available | Enquire |
| N-Desmethyl-4-hydroxy Tamoxifen-d5 β-D-Glucuronide (E/Z Mixt... | Stable Isotopes | CS-T-98477 | Not Available | Enquire |
| Tamoxifen 13C6 | Stable Isotopes | CS-EK-01223 | 10540-29-1 unlabeled | Enquire |
| Tamoxifen-13C6 | Stable Isotopes | CS-T-86363 | 1346606-38-9 | Enquire |
| Tamoxifen-d3 | Stable Isotopes | CS-O-10457 | 508201-30-7 | In Stock |
| Tamoxifen-D5 | Stable Isotopes | CS-O-11795 | 157698-32-3 | Enquire |
API Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Tamoxifen | API Standards | CS-T-43118 | 10540-29-1 | In Stock |
| Tamoxifen citrate | API Standards | CS-O-31029 | 54965-24-1 | In Stock |
Metabolites
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| "(E/Z)-N,N-Didesmethyl-4-hydroxy Tamoxifen" | Metabolites | CS-T-92059 | 1217237-98-3 | Enquire |
| 4-Hydroxy-tamoxifen | Metabolites | CS-EK-02307 | 68392-35-8 | In Stock |
Impurities
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (E)-4-Acetoxy Tamoxifen | Impurities | CS-T-64601 | 76117-70-9 | Enquire |
| (E)-4-Hydroxy-N-desmethyl Tamoxifen | Impurities | CS-T-79533 | 114828-90-9 | Enquire |
| (E)-N,N-Didesmethyl-4-hydroxy Tamoxifen | Impurities | CS-T-91136 | 1394929-55-5 | Enquire |
| (E/Z)-4,4’-Dihydroxy-N-desmethyl Tamoxifen | Impurities | CS-T-91659 | 1217247-19-2 | Enquire |
| (E/Z)-N,N-Didesmethyl-4-hydroxy Tamoxifen 2’-Azide | Impurities | CS-T-90277 | 1331643-32-3 | Enquire |
| (Z)-1-[4-(2-Chloroethoxyphenyl]-1,2-diphenyl-1-butene | Impurities | CS-T-71746 | 97818-83-2 | In Stock |
| (Z)-4-Hydroxy Tamoxifen | Impurities | CS-T-28760 | 68047-06-3 | Enquire |
| E)-4-Hydroxytamoxifen | Impurities | CS-O-55639 | 174592-47-3 | Enquire |
| N,N-Didesmethyl Tamoxifen | Impurities | CS-T-89909 | 80234-20-4 | Enquire |
| N-Boc-N-desmethyl-4-hydroxy Tamoxifen (E/Z Mixture) | Impurities | CS-T-68366 | 1189368-74-8 | Enquire |
| N-Desmethyl (E)-a-Hydroxy Tamoxifen | Impurities | CS-T-88980 | 162070-61-3 | Enquire |
| N-Desmethyl Tamoxifen Hydrochloride | Impurities | CS-T-88640 | 15917-65-4 | Enquire |
| N-Desmethyl-4’-hydroxy Tamoxifen | Impurities | CS-T-88950 | 170171-12-7 | Enquire |
| N-Desmethyl-4-hydroxy Tamoxifen | Impurities | CS-T-27133 | 112093-28-4 | Enquire |
| N-DesmethylTamoxifen (E/Z mixture) | Impurities | CS-P-09209 | 1431858-27-3 | In Stock |
| N-Methyl-N-(2-acetoxyacetyl) Tamoxifen (E/Z Mixture) | Impurities | CS-T-82013 | 1076198-47-4 | Enquire |
| N-Methyl-N-(2-hydroxyethyl)tamoxifen | Impurities | CS-T-80143 | 77214-91-6 | Enquire |
| N-Nitroso Desmethyl Tamoxifen (Mixture of Isomers) | Impurities | CS-O-45155 | Not Available | In Stock |
| Tamoxifen Citrate | Impurities | CS-O-36313 | 7244-96-4 | In Stock |
| tamoxifen citrate impurity B | Impurities | CS-O-16930 | 748-97-0 | Enquire |
| Tamoxifen citrate impurity C | Impurities | CS-O-16931 | 19957-51-8 | Enquire |
| Tamoxifen citrate impurity D | Impurities | CS-O-16932 | 15917-50-7 | Enquire |
| tamoxifen citrate impurity F | Impurities | CS-O-16933 | 31750-48-8 | Enquire |
| Tamoxifen citrate impurity H | Impurities | CS-O-16934 | 809285-09-4 | Enquire |
| Tamoxifen EP Impurity A (HCl salt) | Impurities | CS-EO-03874 | 66584-36-9 | Enquire |
| Tamoxifen EP Impurity C Citrate | Impurities | CS-EO-03877 | 20171-74-8 | Enquire |
| Tamoxifen EP Impurity E 2-hydroxypropane-1,2,3-tricarboxylic... | Impurities | CS-EO-03875 | 2734357-02-7 (Freebase) | Enquire |
| Tamoxifen Impurity E | Impurities | CS-EO-00149 | 2734357-02-7 | Enquire |
| Tamoxifen Impurity G | Impurities | CS-P-02144 | 68047-07-4 | Enquire |
| Tamoxifen mixture of EZ isomers HCl | Impurities | CS-EO-03876 | 96762-97-9 | Enquire |
| Tamoxifen N-Oxide | Impurities | CS-T-86360 | 75504-34-6 | Enquire |
| α-Hydroxytamoxifen | Impurities | CS-O-55640 | 97151-02-05 | Enquire |
Intermediates
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (E)-4-Alloxycarboxyl Tamoxifen | Intermediates | CS-ED-41339 | 1287191-58-5 | Enquire |
| N-Desmethyl Tamoxifen Methanethiosulfonate | Intermediates | CS-ED-26182 | 1025678-19-6 | Enquire |
| Tamoxifen acid | Intermediates | CS-ED-27310 | 97818-93-4 | Enquire |
Glucuronides
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| N-Desmethyl-3-hydroxy Tamoxifen O-β-D-Glucuronide | Glucuronides | CS-T-88201 | 206440-83-7 | Enquire |
Fine Chemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Tamoxifen Dimer | Fine Chemicals | CS-T-43127 | 1346606-51-6 | In Stock |